[INFO] fetching crate myls 0.1.4...
[INFO] testing myls-0.1.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate myls 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate myls 0.1.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myls 0.1.4
[INFO] finished tweaking crates.io crate myls 0.1.4
[INFO] tweaked toml for crates.io crate myls 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate myls 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89e669c9eab8a006b9609a9be994ab30de4f5324a3a670e1a94010161667c04c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89e669c9eab8a006b9609a9be994ab30de4f5324a3a670e1a94010161667c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e669c9eab8a006b9609a9be994ab30de4f5324a3a670e1a94010161667c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e669c9eab8a006b9609a9be994ab30de4f5324a3a670e1a94010161667c04c", kill_on_drop: false }`
[INFO] [stdout] 89e669c9eab8a006b9609a9be994ab30de4f5324a3a670e1a94010161667c04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8aaca403e896ec303be764f5ae3d55c0f497bf5b372022bb7ae2670fa71514f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8aaca403e896ec303be764f5ae3d55c0f497bf5b372022bb7ae2670fa71514f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling size v0.1.2
[INFO] [stderr]    Compiling myls v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::panic::resume_unwind`
[INFO] [stdout]   --> src/meta.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::panic::resume_unwind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `Command { std: "docker" "inspect" "f8aaca403e896ec303be764f5ae3d55c0f497bf5b372022bb7ae2670fa71514f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aaca403e896ec303be764f5ae3d55c0f497bf5b372022bb7ae2670fa71514f", kill_on_drop: false }`
[INFO] [stdout] f8aaca403e896ec303be764f5ae3d55c0f497bf5b372022bb7ae2670fa71514f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3502dbf5508a33eefcc65ddccbe5c0eba45face8e39b851391191fdfb75a2ef4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3502dbf5508a33eefcc65ddccbe5c0eba45face8e39b851391191fdfb75a2ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling myls v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::panic::resume_unwind`
[INFO] [stdout]   --> src/meta.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::panic::resume_unwind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/meta.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error!(
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum MetaError {
[INFO] [stdout] 17 | |         UnableReadName(path: String) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "3502dbf5508a33eefcc65ddccbe5c0eba45face8e39b851391191fdfb75a2ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3502dbf5508a33eefcc65ddccbe5c0eba45face8e39b851391191fdfb75a2ef4", kill_on_drop: false }`
[INFO] [stdout] 3502dbf5508a33eefcc65ddccbe5c0eba45face8e39b851391191fdfb75a2ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a85f484eb55f20853d31c4d29739e0f386285a0ae301c091ed5dd756e3c2b9fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a85f484eb55f20853d31c4d29739e0f386285a0ae301c091ed5dd756e3c2b9fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::panic::resume_unwind`
[INFO] [stderr]   --> src/meta.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::panic::resume_unwind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/meta.rs:14:1
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 14 | / quick_error!(
[INFO] [stdout] 
[INFO] [stderr] 15 | |     #[derive(Debug)]
[INFO] [stderr] 16 | |     pub enum MetaError {
[INFO] [stderr] 17 | |         UnableReadName(path: String) {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myls-832ad23c839f9397
[INFO] running `Command { std: "docker" "inspect" "a85f484eb55f20853d31c4d29739e0f386285a0ae301c091ed5dd756e3c2b9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85f484eb55f20853d31c4d29739e0f386285a0ae301c091ed5dd756e3c2b9fe", kill_on_drop: false }`
[INFO] [stdout] a85f484eb55f20853d31c4d29739e0f386285a0ae301c091ed5dd756e3c2b9fe